law cannot be enforced during the presidential election next month. judge robert simpson issued a preliminary injunction saying he wasn't convinced some voters wouldn't be disenfranchised by requiring them to show a photo i.d. the injunction is temporary and the law could be enforced starting next year. the ruling is expected to be appealed. >>> a border patrol agent was shot and killed in arizona today. 30-year-old nicholas ivy and another agent came under fire after responding to a sensor that went off near the border. it was according to customs and border protection. ivy was killed in the firefight. the other agent is at a local hospital. his injuries are not thought to be life-threatening, but ivy is the third border patrol agent killed in the line of duty this year. >>> the whereabouts of jimmy hoffa are going to remain a mystery, at least for now. roseville, michigan police say two soil samples don't show evidence of human remains. we've been telling you about this search prompted by a credible tipster who claimed a body was buried there around